Philips TE3.1E CA - Fault Finding

Service Modes, Error Codes and Fault Finding
EN 9TE3.1E CA 5.
5.2 Fault Finding
5.2.1 Fault Tracing Diagram for Power Supply
Figure 5-2 Fault Tracing
D101-04
C101-04
C106, T101
YES
Fuse
F1
Defective
Switched mode
Power Supply defective,
+123V is missing or
level is wrong
R107, R105
open
circuit
NO
NO
Voltage at
drain of
T101
YES
R104
YES
Voltage at
I101 pin 3
< 1V
NO
R111, D107
D116,
YES
start-up
voltage pin
8
< 8V
NO
NO
I101
Measure
V102, R159
NO
+123V
adjustable with
V101
YES
Control range of
switched-mode
Power Supply
F_15850_006.eps
160805